Sepehr Razi, Mahmoud mollabashi, Khosro Madanipour , Hedieh Pazokian, “Surface processing of the Titanium and stainless steel using High power Nd:YAG Laser; study how to create microstractures and control surface morphology”, third Iranian National conference on the Optics and Laser engineering, Isfahan, Iran, 2013

Khosro Madanipour, Sepehr Razi, Mahmoud Mollabashi, “Experimental investigation of the effect of laser treatment on the surface free energy of metals”, 2nd International Conference on New Frontiers in Physics (ICNFP), Istanbul, Turkey, 2014